Opioid receptors are proteins in the nervous system that interact with opioids. Opioid receptors are part of the endogenous opioid system. This is the body’s internal system for regulating pain, ...

Opioid agonists are substances that activate opioid receptors in the central and peripheral nervous systems. They have several uses, from pain management to treating opioid use disorder. You have ...

Thousands of people around the world die every day from overdoses involving opioids such as fentanyl. Drugs that target opioid receptors sometimes have severe side effects. An international team of ...

Opioid medications offer people relief from debilitating pain, but these drugs come with dangers: the risk for addiction, miserable withdrawal symptoms and the potential for fatal overdose.

Two different versions of the mu-opioid receptor within a cellular membrane illustrate how the receptor changes its conformation to send a signal into the cell. Scientists captured six high-resolution ...

Opioids slot into opioid receptors and activate them. This sends signals to your brain to relieve pain and promote pleasure. Both endogenous opioids, which your body naturally produces, and exogenous ...